Earlier in his tenure, as Senior Vice-President, Fixed Income and Alternative Investments, Mr. Mock oversaw $60 billion of Ontario Teachers' assets, including the policy mix in fixed income, credit investing, hedge fund activities, and fixed income investments in emerging markets. He also contributed as a board member of the pension plan's commercial real estate subsidiary, The Cadillac Fairview Corporation Limited. During that time he was also a member of Cadillac's Audit Committee and chaired the Human Resources Committee.

Previously with investment dealer Burns Fry (now BMO Nesbitt Burns), Mr. Mock directed sales and trading staff in derivative products and held the firm's membership seat on the Chicago Board of Trade, in addition to other exchanges. He was also a board member of the Montreal Exchange in the early 1990s.

Thereafter Mr. Mock founded Phoenix Research and Trading, and, as CEO, was responsible for all aspects of the asset management firm, including investment and trading strategies, client relationships, risk management and regulatory compliance.

Beginning his career as an electrical engineer, Mr. Mock held a variety of positions with Ontario Hydro in the areas of field work, design, construction, and research before ultimately becoming responsible for nuclear safety and licensing at the Pickering and Bruce nuclear generating stations.

Mr. Mock graduated from the University of Toronto with a B.A.Sc. in Electrical Engineering and later earned an MBA from York University. In 2017 he was awarded an honorary Doctor of Laws degree from York University. He is currently a member of the Corporate Advisory Board of The Learning Partnership and the Dean's Advisory Council at the Schulich School of Business at York University.